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复习提问 PowerPoint PPT Presentation


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复习提问. 气力式精密播种机包括动力部分、( )、( )、( ) 洋葱育苗选择( ),西瓜育苗选择( ),花卉育苗选择( ) 夏季一般使用( );冬季一般使用( ) 如果穴盘要重复使用,对再次利用的穴盘进行消毒,不能使用( ) ,消过毒的穴盘在使用前要( ). 压穴工作机组. 控制部分. 播种工作机组. 128 穴盘. 72 穴盘. 288 穴盘. 白色穴盘. 黑色穴盘. 漂白剂. 清水洗净晾干.

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复习提问

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128

72

288


=6:3:1


5


5.1.

5.2.

5.3.

5.4.



RGPRGPRGP24

RootGrowthPotential


25312~15h1639~12h60~80%2~4d28d



10156102/3



cm/mm

/



---


---


---



---


---


--






--


---


---


5.2


,101/3


(1)

(2)

1


2



1/2

3cm


6-82/3

1/4-1/2


(1)

(2)

(3)2-3d

(4)

(5)

3


(1)

(2)

(3)

(4)




5.3


1)2) (20)



5.4



15-3318

85%100%



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